First a chatter or rattle from a female looking for host nests. The rattle can be regarded as the female song. Then a male appeared and flew in a circle around the perched female while singing. At the end the female rattles and flies away.

About 3 Shiny Cowbird young males practicing song. Perched in a tree near a cattle corral without any aggression. I have seen this behavior also in Argentina. Hundreds of shiny cowbirds were found during the austral winter in the Mennonite colonies of Paraguay.

Calls of a perched male Shiny Cowbird. A female Shiny Cowbird (silent all time) was foraging on the ground. At the end both flew away together, the male cowbird singing a very short flight song. All male vocalizations are somewhat different from those of northern Argentina